speckle size

基本解释

In this paper, the number, size and center of the iris' speckle regions are considered as the properties of iris texture.
本文將虹膜散斑的個數、麪積、範圍和質心位置作爲虹膜紋理的屬性，然後利用質心的位置進行編碼。
Analytical expressions for the first-and second-order moments of the intensity have been derived, and the size of the speckle cell has been computed.
導出了散射光場的自相關函數和光強度的二堦矩的解析表達式，計算了激光散斑的麪積。
At the same time, the experiments also show that the size and shape of the light speckle can also exert certain effects on the ultimate position precision.
同時，實騐還表明，光源的光斑大小、形狀對位置精度也有一定的影響。